Take the Chicken and clean it. Marinate it with salt Lemon Juice and turmeric powder and keep aside for 15-20 minutes.
Now add all the Chettinad masalas in a dry pan and roast them till it turns golden.Now add grated coconut and toast it for 5 mins.
Now allow it to cool. Then take them in a blender, add some water and frind it.
Now take a pressure cooker and add oil into it.Then add Onions and saute it till soft.
Now add Ginger garlic paste, curry leaves, chicken and mix it well.
Now add toatoes into it. Then cover the pressure and cook it for 1 whistle, simmer for 10 mins. Switch off the flame
And after 5 mins the cover and cook it on medium flame till boiled.
Then add the maslas and mix it well. Cover it and cook it on simmer for 10 to 15 mins.
Now the Chettinad Chicken is ready. Garnish with coriander leaves.